Flood advisory for McHenry County expires

Aug. 21, 2014

A flood advisory was in effect this morning for six north central and northeast Illinois counties, one of which is McHenry County, but has been allowed to expire.

Issued around 5:30 a.m. by the National Weather Service, the advisory indicates thunderstorms with heavy rainfall. Runoff from the excessive rainfall will likely cause minor flooding, especially along small streams and near low water crossings.